2009 HQ18
2009HQ18, K09H18Q, T6421
All data for this body: [vot]
MPC data
| Name (number) |
2009 HQ18 (296421) |
| a |
2.32875 |
| e |
0.06535 |
| i / sin(i) |
5.8312 /
0.10160
|
| q |
2.17656
|
| Q |
2.48094
|
| ω |
87.4829 |
| Node |
163.0447 |
| m |
161.1498 |
| n |
0.2773 |
| Epoch |
2460800.5 |
| nobs |
295 |
| nopp |
14 |
| Years observed |
2003-2024 |
| rms |
0.88 |
Best values
|
Value |
Standard error |
| Parent |
|
|
| |
|
|
| ap |
2.329 |
|
| ep |
0.079 |
|
| sin(ip) |
0.102 |
|
| G |
0.150 |
|
| H |
17.460 |
|
| Mass |
|
|
| D |
|
|
| pV |
|
|
|
Value |
| Rotational Period |
|
| Period quality |
None |
| Spectral Class |
None |
| Spectral Class Score |
|
Proper elements data
| ap |
ep |
sin(ip) |
Author |
Reference |
Method |
| 2.3287 |
0.0790 |
0.1022 |
Novakovic_Radovic_Todovic |
2003A&A...403.1165K |
Numeric-Nov-2024 |
G data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 0.15 |
|
|
MPC-2023-12-94 |
MPC-2023-12-94 |
Phot |
H data
| Value |
Uncertainty up |
Uncertainty down |
Author |
Reference |
Method |
| 17.46 |
|
|
MPC-2023-12-04 |
MPC-2023-12-04 |
Phot |